android - java.lang.NullPointerException: CameraUpdateFactory is not initialized logcat exception -

i'm working google maps. able create , can show google map. want add cameraupdate(latitude, longitude). googled , found source code i'm getting nullpointerexception.

the logcat error message is:

java.lang.nullpointerexception: cameraupdatefactory not initialized 

this source. doing wrong?

public class stradacontact extends fragment {  public final static string tag = stradacontact.class.getsimplename(); private mapview mmapview; private googlemap mmap; private bundle mbundle; double longitude = 44.79299800000001, latitude = 41.709981;  public stradacontact() {  }  public static stradacontact newinstance() {     return new stradacontact(); }  @override public view oncreateview(layoutinflater inflater, viewgroup container,         bundle savedinstancestate) {      view rootview = inflater.inflate(r.layout.strada_contact, container,false);      mmapview = (mapview) rootview.findviewbyid(r.id.pointmap);      mmapview.oncreate(mbundle);     setupmapifneeded(rootview);      return rootview; }  @override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     mbundle = savedinstancestate; }  private void setupmapifneeded(view inflatedview) {     if (mmap == null) {         mmap = ((mapview) inflatedview.findviewbyid(r.id.pointmap)).getmap();         if (mmap != null) {             cameraupdate center = cameraupdatefactory.newlatlng(new latlng(latitude, longitude));             cameraupdate zoom = cameraupdatefactory.zoomto(15);             mmap.movecamera(center);             mmap.animatecamera(zoom);         }     } }  @override public void onresume() {     super.onresume();     mmapview.onresume(); }  @override public void onpause() {     super.onpause();     mmapview.onpause(); }  @override public void ondestroy() {     mmapview.ondestroy();     super.ondestroy(); } 

}

<com.google.android.gms.maps.mapview         android:id="@+id/pointmap"         android:name="com.google.android.gms.maps.mapfragment"         android:layout_width="match_parent"         android:layout_height="match_parent"          class="com.google.android.gms.maps.mapfragment" /> 

try in "oncreate":

try {  mapsinitializer.initialize(this); } catch (googleplayservicesnotavailableexception e) {  e.printstacktrace(); }